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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> NVIS (NISSAN Vehicle Immobilizer System-NATS) >> NVIS (NISSAN Vehicle Immobilizer System - NATS) >> Trouble Diagnoses >> Diagnostic Procedure 7 >> Self-diagnostic results: "LOCK MODE" displayed on CONSULT-II screen

Self-diagnostic results: "LOCK MODE" displayed on CONSULT-II screen

  1. CONFIRM SELF-DIAGNOSTIC RESULTS 

    Confirm SELF-DIAGNOSTIC RESULTS "LOCK MODE" is displayed on CONSULT-II screen.

    Fig 1: Confirming Self-Diagnostic Results (Diagnostic Procedure 7)
    G01333090Courtesy of NISSAN MOTOR CO., U.S.A.

    Is CONSULT-II screen displayed as above?

    Yes : GO TO 2.

    No : GO TO "SYMPTOM MATRIX CHART 1 (SELF-DIAGNOSIS RELATED ITEM)  ".

  2. ESCAPE FROM LOCK MODE 
    1. Turn ignition switch OFF.
    2. Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.
    3. Return the key to OFF position.
    4. Repeat steps 2 and 3 twice (total of three cycles).
    5. Start the engine.

    Does engine start?

    Yes :

    • System is OK.
    • (Now system is escaped from "LOCK MODE".)

    GO TO 3.

  3. CHECK NVIS (NATS) IMMU INSTALLATION 

    Check NVIS (NATS) IMMU installation. Refer to "HOW TO REPLACE NVIS (NATS) IMMU  ".

    OK or NG

    OK : GO TO 4.

    NG : Reinstall NVIS (NATS) IMMU correctly.

  4. PERFORM INITIALIZATION WITH CONSULT-II 

    Perform initialization with CONSULT-II.

    For initialization, refer to "CONSULT-II OPERATION MANUAL IVIS/NVIS".

    Fig 2: Performing Initialization With CONSULT-II (Diagnostic Procedure 7)
    G01333091Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: If the initialization is not completed or fails, CONSULT-II shows the above message on the screen.

    Can the system be initialized?

    Yes : System is OK.

    No : Check "CHAIN OF IMMU-KEY". Refer to "DIAGNOSTIC PROCEDURE 4  ".